package com.lin.chapter22.buildin;

public class Client {
	public static void main(String[] args) {
		LiSi liSi = new LiSi();
		HanFeiZi hanFeiZi = new HanFeiZi();
		hanFeiZi.addObserver(liSi);
		hanFeiZi.haveBreakfast();
		hanFeiZi.haveFun();
	}
}
